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Wyszukujesz frazę "solar thermal energy" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Analysis of solar cooker with thermal storage for remote hilly areas: determination of heating and cooling characteristic time
Autorzy:
Raghav, Geetanjali
Sharma, Pankaj Kumar
Kumar, Suresh
Maithani, Rajesh
Iung, Alexis
Quentin, Mercier
Powiązania:
https://bibliotekanauki.pl/articles/2142896.pdf
Data publikacji:
2021
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
solar energy
solar cookers
thermal storage
thermal performance
energia słoneczna
kuchenka słoneczna
magazynowanie ciepła
wydajność cieplna
Opis:
Solar cooking finds a major application in rural areas of Uttarakhand, India, yet its utilization is still limited due to certain limitation such as intermittent nature of solar radiations. This drawback limits solar cooker in becoming a viable alternate solution of LPG and other pollution causing resources such as wood. In order to cater this problem a numerical analysis of box type solar cooker with storage is carried out. The energy stored in the storage material will keep the cooker warm up to the time when food is consumed. Charging and discharging time analysis is performed in with an aim to understand the effect of storage on solar cooker. Heating and cooling characteristic time are being evaluated and analysed with storage. Thermal performance of box type solar cooker is measured in terms of figures of merit according to BIS standards. The effect of storage has also been analysed in terms of charging and discharging time and first figure of merit of box type solar cooker.it has been observed that during discharging the heat is stored for more duration as compared to the charging time as discharge time is approx. 4-5 hours while charging time for the same amount of insolation is around 3-4 hours.
Źródło:
Acta Innovations; 2021, 40; 5-18
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energetic & exergetic analysis of a parabolic trough: concentrated solar power plant
Autorzy:
Nagpal, Mohit
Maithani, Rajesh
Kumar, Suresh
Powiązania:
https://bibliotekanauki.pl/articles/2142893.pdf
Data publikacji:
2021
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
solar energy
exergy
thermal efficiency
heat gain
heat losses
parabolic trough
collectors
energia słoneczna
egzergia
wydajność termiczna
zyski ciepła
straty ciepła
kolektory
Opis:
Solar energy is the most affordable source of energy. Parabolic trough systems are used to concentrate and extract heat, therefore it’s very significant to analyse its performance in terms of energy and exergy. Exergy based analysis of the system ensures the eradication of losses, resulting in the yield of energy of the highest quality. In this paper, an investigation has been carried out using numerical simulation with an objective of analysis of Parabolic Trough Collectors on the basis of energy and exergy. Detailed second law analysis has been performed by varying the system and operating parameters through computer simulation. Exergy output has been determined by analysing the effect of major system parameters, namely, mirror reflectivity, glass transmissivity, absorptivity, the diameter of glass envelop, and the receiver. The operating parameters considered in the investigation are insolation and temperature rise parameters. The extensive investigation of the parabolic trough of a concentrated solar power plant for various design parameters in the range of operating parameters reveals that it is beneficial to operate the system at higher temperature as opposed to the preference of the operating system at lower temperature from purely thermal considerations.
Źródło:
Acta Innovations; 2021, 40; 19-30
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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